MAX803SQ308T1G

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MAX803SQ308T1G

IC SUPERVISOR 1 CHANNEL SC70-3

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規格

Part Status Obsolete
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 3.08V
Output Open Drain or Open Collector
Reset Active Low
Reset Timeout 140ms Minimum
Operating Temperature -40°C ~ 105°C (TJ)
Mounting Type Surface Mount
Package / Case SC-70, SOT-323
Supplier Device Package SC-70-3 (SOT323)
Base Product Number MAX803

概述

Description

The MAX803SQ308T1G is a low-power, voltage supervisor from Maxim Integrated, designed to monitor supply voltages in electronic circuits. It features a precision voltage detection capability, typically set at 3.08V, with a very low quiescent current, making it ideal for battery-operated devices. The device provides a reset output that remains active until the supply voltage exceeds the specified threshold, ensuring proper initialization of microcontrollers and other digital devices after power-up.
Key features include a fast response time, an active-low reset output, and a wide operating temperature range. It comes in a compact SOT23 package, allowing for space-efficient designs. The MAX803 series also incorporates built-in hysteresis to prevent false triggering from noise during power fluctuations. Overall, the MAX803SQ308T1G is a reliable choice for applications requiring precise voltage monitoring and reset functionality.

Features

The MAX803SQ308T1G is a voltage supervisor designed for system monitoring in various applications. Key features include:
1. Voltage Monitoring: It monitors supply voltages and provides a reset signal when voltage drops below a set threshold.
2. Reset Output: Active-low reset output that remains asserted during power-up and until the voltage returns to the specified level.
3. Adjustable Reset Thresholds: Offers several preset threshold voltages to suit specific application needs.
4. Low Supply Current: Operates with minimal current consumption, enhancing battery life in portable devices.
5. Temperature Range: Suitable for a wide temperature range, making it reliable in various environmental conditions.
6. Small Package: Available in compact package options, facilitating integration into space-constrained designs.
7. Fast Response Time: Quick reset assertion and release times, ensuring timely operation in critical conditions.
These features make the MAX803SQ308T1G ideal for microcontrollers, processors, and other digital systems requiring reliable voltage supervision.

Package

The MAX803SQ308T1G is typically packaged in a 5-pin SOT-23 (Small Outline Transistor) package.

Pinout

The MAX803SQ308T1G is a voltage supervisor with a pin count of 5. This device is designed to monitor power supply voltages and provide reset signals for microcontrollers and other digital systems.
Pin Functions:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference.
3. RESET (Pin 3): Active-low reset output; goes low when the monitored voltage is below the threshold.
4. VREF (Pin 4): Reference voltage output (1.25V) for external applications.
5. SENSE (Pin 5): Voltage sense input for monitoring the power supply level.
The MAX803SQ308T1G is commonly used in applications requiring reliable reset functions, such as in microcontroller-based systems.

Manufacturer

The MAX803SQ308T1G is manufactured by Analog Devices, Inc., which is a global leader in data conversion, signal processing, and power management solutions. Founded in 1965, Analog Devices specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including communications, automotive, industrial, and healthcare, providing innovative technologies that enable smarter, more efficient systems. Their products are widely used in applications requiring precision and reliability, making Analog Devices a key player in the semiconductor sector.

Application

The MAX803SQ308T1G is a voltage supervisor and monitoring IC used in various applications, including power management systems, battery-powered devices, microcontroller reset circuits, and automotive electronics. It ensures system reliability by monitoring supply voltage levels and providing reset signals to prevent malfunction during voltage dips or power-up conditions. Its low power consumption makes it suitable for portable devices and energy-efficient systems.

Equivalent

The MAX803SQ308T1G is a voltage supervisor with a reset threshold of 3.08V. Equivalent products include the MAX803 (various voltage options), MCP100, and LM809 series. Other substitutes may include the TPS3808 and the TL7705, depending on specific application requirements. Always verify specifications to ensure compatibility.

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